August weather forecast
East Hampton, NY

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The very tall Montauk Point Lighthouse stands high on a hilly spot overlooking the rocky and pebbly shores of East Hampton in Long Island, New York
The very tall Montauk Point Lighthouse stands high on a hilly spot overlooking the rocky and pebbly shores of East Hampton in Long Island, New York

Weather in August

August in East Hampton generally follows the pattern of July. Pleasant temperatures and adequate daylight continue to paint a picture of a classic summer month. The sea temperature peaks at a warm 72°F (22.2°C) for those seeking aquatic pleasure. The transition from July is hardly noticeable as temperatures slightly dip, holding at a high of 75.4°F (24.1°C). Afternoon showers or a surprise storm might intersperse the sunny days, but it does little to alter the prevailing weather pattern of August.

Temperature

August stands out as East Hampton's warmest month, with temperatures ranging between an average high of 75.4°F (24.1°C) and a low of 71.2°F (21.8°C).

Humidity

The average relative humidity in August in East Hampton is 77%.

Rainfall

In East Hampton, in August, during 15.5 rainfall days, 2.76" (70mm) of precipitation is typically accumulated. Throughout the year, there are 148 rainfall days, and 33.07" (840mm) of precipitation is accumulated.

Snowfall

June through October are months without snowfall.

Ocean temperature

August is the month with the warmest seawater in East Hampton, with an average ocean temperature of 71.6°F (22°C).
Note: If someone is sensitive to cold, the enjoyment of swimming in 71.6°F (22°C) water hinges on factors like sunshine, wind, and the current air temperature. (For context: Olympic swimming competitions are held in water temperatures of 77°F (25°C) to 82.4°F (28°C).)

Daylight

In August, the average length of the day in East Hampton is 13h and 46min.
On the first day of the month, sunrise is at 5:45 am and sunset at 8:04 pm. On the last day of August, in East Hampton, sunrise is at 6:15 am and sunset at 7:22 pm EDT.

Sunshine

With an average of 10.6h of sunshine, August has the most sunshine of the year in East Hampton.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In August, the maximum UV index of 6 transforms into these recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Take note! The UV strength of the Sun elevates when reflected off water and sand.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the warmest month in East Hampton?

The warmest month in East Hampton, New York, is August, with an average high-temperature of 75.4°F (24.1°C) and an average low-temperature of 71.2°F (21.8°C).

What is the average August temperature in East Hampton?

The high-temperature during August is 75.4°F (24.1°C) and the low-temperature is 71.2°F (21.8°C).

What is the average humidity in August in East Hampton?

In East Hampton, New York, the average relative humidity in August is 77%.

How much does it rain in East Hampton in August?

In August, in East Hampton, New York, the rain falls for 15.5 days. Throughout August, 2.76" (70mm) of precipitation is accumulated.

When it does not snow in East Hampton?

In East Hampton, New York, snow does not fall in June through October.

What month is the ocean warmest in East Hampton?

August is the month with the warmest seawater in East Hampton, New York, with an average ocean temperature of 71.6°F (22°C).

How warm is the water in August in East Hampton?

In August, the average ocean temperature in East Hampton, New York, is 71.6°F (22°C). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 71.6°F (22°C) water.

What is the average length of the day in August in East Hampton?

In East Hampton, New York, the average day length in August is 13h and 46min.

When are sunrise and sunset in August in East Hampton?

In August, on the first day of the month, sunrise is at 5:45 am and sunset at 8:04 pm. On the last day of the month, in East Hampton, sunrise is at 6:15 am and sunset at 7:22 pm EDT.

What month has the most sunshine in East Hampton?

With an average of 10.6h of sunshine, August has the most sunshine of the year in East Hampton, New York.

How long on average sun shines in August in East Hampton?

In August, the average sunshine duration in East Hampton is 10.6h.

When is the highest UV index in East Hampton?

June through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index intensity in August in East Hampton?

In East Hampton, New York, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
East Hampton, NY

Average temperature in August - East Hampton, NY
  • Average high temperature in August: 75.4°F

The warmest month (with the highest average high temperature) is August (75.4°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in August: 71.2°F

The month with the highest average low temperature is August (71.2°F).
The coldest month (with the lowest average low temperature) is January (31.1°F).

Average pressure in August
East Hampton, NY

Average pressure in August - East Hampton, NY
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in August
East Hampton, NY

Average wind speed in August - East Hampton, NY
  • Average wind speed in August: 11mph

The windiest month (with the highest average wind speed) is January (16.4mph).
The calmest month (with the lowest average wind speed) is July (10.8mph).

Average humidity in August
East Hampton, NY

Average humidity in August - East Hampton, NY
  • Average humidity in August: 77%

The months with the highest relative humidity are May and June (82%).
The month with the lowest relative humidity is November (72%).

Average rainfall in August
East Hampton, NY

Average rainfall in August - East Hampton, NY
  • Average rainfall in August: 2.76"

The wettest month (with the highest rainfall) is December (3.54").
The driest month (with the least rainfall) is September (2.09").

Average rainfall days in August
East Hampton, NY

Average rainfall days in August - East Hampton, NY
  • Average rainfall days in August: 15.5 days

The months with the highest number of rainy days are July and August (15.5 days).
The month with the least rainy days is January (8.3 days).

Average snowfall in August
East Hampton, NY

Average snowfall in August - East Hampton, NY
  • Average snowfall in August: 0"

The month with the highest snowfall is March (1.97").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in August
East Hampton, NY

Average snowfall days in August - East Hampton, NY
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (3.9 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average sea temperature in August
East Hampton, NY

Average sea temperature in August - East Hampton, NY
  • Average sea temperature in August: 72°F

The best month for swimming (with the highest average sea temperature) is August (72°F).
The coldest months (with the lowest average sea temperature) are February and March (41°F).

Average daylight in August /
Average sunshine in August
East Hampton, NY

Average daylight in August / Average sunshine in August - East Hampton, NY
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in August: 10h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).

Average sunshine days in August
East Hampton, NY

Average sunshine days in August - East Hampton, NY
  • Average sunshine days in August: 13.3 days

The month with the most sunshine days is November (18.4 days).
The months with the least sunshine days are July and August (13.3 days).

Average UV index in August
East Hampton, NY

Average UV index in August - East Hampton, NY
  • Average UV index in August: 6

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).

Average cloud cover in August
East Hampton, NY

Average cloud cover in August - East Hampton, NY
  • Average cloud cover in August: 27

The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in August
East Hampton, NY

Average visibility in August - East Hampton, NY
  • Average visibility in August: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

East Hampton, New York, USA

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